code: def mock_no_scipy():
      with patch.dict("sys.modules", {"scipy": None}):
          yield scipy
  
imports: import os
  import re
  from unittest.mock import patch
  import pytest
  import pytorch_fid.fid_score
  import scipy
  import torch
  from numpy import cov
  import ignite.distributed
  from ignite.metrics.gan.fid import FID, fid_score
label_desc: Use image node_id 1 for calling a global function with example usage: mock_no_scipy() without return types